Dog collar



FIG. 1 is a front perspective view of a dog collar driving showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plane view thereof; and,

FIG. 7 is a bottom plane view thereof.

The dog collar is shown with a symbolic break in its length in various views. The appearance of any portion of the article between the break lines forms no part of the claimed design. 

CLAIM The ornamental design for a dog collar, as shown and described. 